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Single Family ResidenceResidential
$460,480$389 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $460,000 on Sep 10, 2026

16820 SE ALDER ST

PORTLAND, OR 97233
3
Beds
4
Baths
1,185 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.

Valuation

$460K
$447K low$474K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$460,000 · Sep 10, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,565 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$237,930 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$231,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$518,970

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.13 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyMULTNOMAH
Lot (acres)The size of the land the home sits on, from county records.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 330 ft²

Transaction History(11)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(3)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Alder Elementary SchoolF
Elementary · Grades KG–5 · 0.2 mi
M
Reynolds Middle SchoolF
Middle · Grades 6–8 · 1.9 mi
H
Reynolds High SchoolD-
High · Grades 9–12 · 4.3 mi

District: Reynolds School District 7

Neighborhood · ZIP 97233These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.179

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.37,504
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,276 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$54,538
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$72,499
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.48%

Owner Tools

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

16820 Se Alder St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 87% of homes in Portland 97233
  • Costs more per square foot than 89% of homes in Centennial
  • Smaller than 71% of homes in Multnomah County
  • Has a bigger lot than 65% of homes in Multnomah County

What homes are worth in Portland 97233

Each bar is how many homes fall in that price range. The marker is this home.

This home
$207K$550K

This home is worth more than 87% of homes in Portland 97233.

How it measures up in Portland 97233

The dot is this home. The mark in the middle is the typical home in Portland 97233.

Estimated value$460,480
CheaperTypical $388,569Pricier

Pricier than 87% of homes nearby

Price per ft²$389
CheaperTypical $291Pricier

Pricier than 89% of homes nearby

Living area1,185 ft²
SmallerTypical 1,288 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.17 ac
SmallerTypical 0.18 acBigger

Bigger than 48% of homes nearby

Year built1960
OlderTypical 1962Newer

Newer than 43% of homes nearby

How 16820 Se Alder St ranks against every home in each area.
MeasureThis homeCentennialPortland 97233Multnomah County
Estimated valuepricier than$460,48086% of homes87% of homes41% of homes
Price per ft²pricier than$38989% of homes89% of homes70% of homes
Living areabigger than1,185 ft²38% of homes42% of homes29% of homes
Lot sizebigger than0.17 ac50% of homes48% of homes65% of homes
Year builtnewer than196036% of homes43% of homes51% of homes

About 16820 Se Alder St

How much is 16820 Se Alder St, Portland, OR worth?

The TopHap Estimate for 16820 Se Alder St, Portland, OR is $460,480 as of Oct 21, 2026. The likely range is $447,257 to $473,703. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 16820 Se Alder St, Portland, OR last sell?

16820 Se Alder St, Portland, OR last sold on Sep 10, 2026 for $460,000, according to the county's recorded deed. TopHap holds 9 recorded sales for this parcel.

How big is 16820 Se Alder St, Portland, OR?

16820 Se Alder St, Portland, OR has 3 bedrooms, 4 bathrooms, 1,185 square feet of living space and a 0.17-acre lot.

When was 16820 Se Alder St, Portland, OR built?

16820 Se Alder St, Portland, OR was built in 1960, making it 66 years old. It is a ranch home.

What schools serve 16820 Se Alder St, Portland, OR?

16820 Se Alder St, Portland, OR is assigned to Alder Elementary School (elementary), rated F; Reynolds Middle School (middle), rated F; Reynolds High School (high), rated D-. All sit in Reynolds School District 7. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 16820 Se Alder St, Portland, OR compare to other homes in Portland 97233?

Among the 8,548 homes in Portland 97233, it is worth more than 87% of them ($460,480 against a typical $388,569), its price per square foot is higher than 89% of them ($389 against a typical $291), it is bigger than 42% of them (1,185 ft² against a typical 1,288 ft²), its lot is bigger than 48% of them (0.17 ac against a typical 0.18 ac) and it is newer than 43% of them (1960 against a typical 1962). Measured against all of Multnomah County, it is worth more than 41% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 16820 Se Alder St, Portland, OR?

The 2025 property tax bill for 16820 Se Alder St, Portland, OR was $5,565. The county assessed it at $237,930.

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